Origin of fluoride in early dental calculus.
D000328:Adult; D002986:Clinical Trials as Topic; D003728:Dental Calculus; D003743:Dental Enamel; D003802:Dentifrices; D005459:Fluorides; D005460:Fluorides, Topical; D006801:Humans; D008297:Male
D003802:Dentifrices; D005460:Fluorides, Topical; D005459:Fluorides